[INFO] cloning repository https://github.com/fbielejec/rust-tensorflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbielejec/rust-tensorflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Frust-tensorflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Frust-tensorflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5cce4e32b2c4b5bb7da558856d652fd52e1a840
[INFO] checking fbielejec/rust-tensorflow against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Frust-tensorflow" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fbielejec/rust-tensorflow on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fbielejec/rust-tensorflow
[INFO] finished tweaking git repo https://github.com/fbielejec/rust-tensorflow
[INFO] tweaked toml for git repo https://github.com/fbielejec/rust-tensorflow written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fbielejec/rust-tensorflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tensorflow/rust`
[INFO] [stderr] error: failed to get `tensorflow` as a dependency of package `collab_filtering v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `tensorflow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/tensorflow/rust?rev=56b15c3#56b15c3f
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unrecoverable internal error: 'writer.open == 0'


overridden task result to broken:missing-deps

Caused by:
    the crate depends on missing dependencies: 
    
        Blocking waiting for file lock on package cache
        Updating git repository `https://github.com/tensorflow/rust`
    error: failed to get `tensorflow` as a dependency of package `collab_filtering v0.1.0 (/workspace/builds/worker-1-tc1/source)`
    
    Caused by:
      failed to load source for dependency `tensorflow`
    
    Caused by:
      Unable to update https://github.com/tensorflow/rust?rev=56b15c3#56b15c3f
    
    Caused by:
      unrecoverable internal error: 'writer.open == 0'